1 files changed, 0 insertions, 525 deletions
diff --git a/ace/Signal.h b/ace/Signal.h
deleted file mode 100644
index 576f80f2a70..00000000000
--- a/ace/Signal.h
+++ /dev/null
@@ -1,525 +0,0 @@
-/* -*- C++ -*- */
-
-//=============================================================================
-/**
- *  @file    Signal.h
- *
- *  $Id$
- *
- *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
- */
-//=============================================================================
-
-#ifndef ACE_SIGNAL_HANDLER_H
-#define ACE_SIGNAL_HANDLER_H
-#include /**/ "ace/pre.h"
-
-#include "ace/config-lite.h"
-
-#if defined (ACE_DONT_INCLUDE_ACE_SIGNAL_H)
-# error ace/Signal.h was #included instead of signal.h by ace/OS_NS_signal.h:  fix!!!!
-#endif /* ACE_DONT_INCLUDE_ACE_SIGNAL_H */
-
-#include "ace/ACE_export.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-#include "ace/os_include/os_signal.h"
-#include "ace/Event_Handler.h"
-
-// Type of the extended signal handler.
-typedef void (*ACE_Sig_Handler_Ex) (int, siginfo_t *siginfo, ucontext_t *ucontext);
-
-/**
- * @class ACE_Sig_Set
- *
- * @brief Provide a C++ wrapper for the C sigset_t interface.
- *
- * Handle signals via a more elegant C++ interface (e.g.,
- * doesn't require the use of global variables or global
- * functions in an application).
- */
-class ACE_Export ACE_Sig_Set
-{
-public:
-  // = Initialization and termination methods.
-  /// Initialize <sigset_> with @a sigset.  If @a sigset == 0 then fill
-  /// the set.
-  ACE_Sig_Set (sigset_t *sigset);
-
-  /// Initialize <sigset_> with @a sigset.  If @a sigset == 0 then fill
-  /// the set.
-  ACE_Sig_Set (ACE_Sig_Set *sigset);
-
-  /// If @a fill == 0 then initialize the <sigset_> to be empty, else
-  /// full.
-  ACE_Sig_Set (int fill = 0);
-
-  ~ACE_Sig_Set (void);
-
-  /// Create a set that excludes all signals defined by the system.
-  int empty_set (void);
-
-  /// Create a set that includes all signals defined by the system.
-  int fill_set (void);
-
-  /// Adds the individual signal specified by <signo> to the set.
-  int sig_add (int signo);
-
-  /// Deletes the individual signal specified by <signo> from the set.
-  int sig_del (int signo);
-
-  /// Checks whether the signal specified by <signo> is in the set.
-  int is_member (int signo) const;
-
-  /// Returns a pointer to the underlying <sigset_t>.
-  operator sigset_t *();
-
-  /// Returns a copy of the underlying <sigset_t>.
-  sigset_t sigset (void) const;
-
-  /// Dump the state of an object.
-  void dump (void) const;
-
-  /// Declare the dynamic allocation hooks.
-  ACE_ALLOC_HOOK_DECLARE;
-
-private:
-  /// Set of signals.
-  sigset_t sigset_;
-};
-
-/**
- * @class ACE_Sig_Action
- *
- * @brief C++ wrapper facade for the <sigaction> struct.
- */
-class ACE_Export ACE_Sig_Action
-{
-public:
-  // = Initialization methods.
-  /// Default constructor.  Initializes everything to 0.
-  ACE_Sig_Action (void);
-
-  /// Assigns the various fields of a <sigaction> struct but doesn't
-  /// register for signal handling via the <sigaction> function.
-  ACE_Sig_Action (ACE_SignalHandler handler,
-                  sigset_t *sigmask = 0,
-                  int flags = 0);
-
-  /// Assigns the various fields of a <sigaction> struct but doesn't
-  /// register for signal handling via the <sigaction> function.
-  ACE_Sig_Action (ACE_SignalHandler handler,
-                  const ACE_Sig_Set &sigmask,
-                  int flags = 0);
-
-  /**
-   * Assigns the various fields of a <sigaction> struct and registers
-   * the <handler> to process signal <signum> via the <sigaction>
-   * function.
-   */
-  ACE_Sig_Action (ACE_SignalHandler handler,
-                  int signum,
-                  sigset_t *sigmask = 0,
-                  int flags = 0);
-
-  /**
-   * Assigns the various fields of a <sigaction> struct and registers
-   * the <handler> to process signal <signum> via the <sigaction>
-   * function.
-   */
-  ACE_Sig_Action (ACE_SignalHandler handler,
-                  int signum,
-                  const ACE_Sig_Set &sigmask,
-                  int flags = 0);
-
-
-  // @@ The next two methods have a parameter as "signalss". Please do
-  // not change the argument name as "signals". This causes the
-  // following problem as reported by
-  // <James.Briggs@dsto.defence.gov.au>.
-
-  // In the file Signal.h two of the functions have and argument name
-  // of signals. signals is a Qt macro (to do with their meta object
-  // stuff.
-  // We could as well have it as "signal", but I am nost sure whether
-  // that would cause a problem with something else - Bala <bala@cs>
-
-  /**
-   * Assigns the various fields of a <sigaction> struct and registers
-   * the <handler> to process all <signals> via the <sigaction>
-   * function.
-   */
-  ACE_Sig_Action (const ACE_Sig_Set &signalss,
-                  ACE_SignalHandler handler,
-                  const ACE_Sig_Set &sigmask,
-                  int flags = 0);
-
-  /**
-   * Assigns the various fields of a <sigaction> struct and registers
-   * the <handler> to process all <signals> via the <sigaction>
-   * function.
-   */
-  ACE_Sig_Action (const ACE_Sig_Set &signalss,
-                  ACE_SignalHandler handler,
-                  sigset_t *sigmask = 0,
-                  int flags = 0);
-
-  /// Copy constructor.
-  ACE_Sig_Action (const ACE_Sig_Action &s);
-
-  /// Default dtor.
-  ~ACE_Sig_Action (void);
-
-  // = Signal action management.
-  /// Register <this> as the current disposition and store old
-  /// disposition into <oaction> if it is non-NULL.
-  int register_action (int signum,
-                       ACE_Sig_Action *oaction = 0);
-
-  /// Assign the value of <oaction> to <this> and make it become the
-  /// new signal disposition.
-  int restore_action (int signum,
-                      ACE_Sig_Action &oaction);
-
-  /// Retrieve the current disposition into <this>.
-  int retrieve_action (int signum);
-
-  /// Set current signal action.
-  void set (struct sigaction *);
-
-  /// Get current signal action.
-  struct sigaction *get (void);
-  operator struct sigaction *();
-
-  /// Set current signal flags.
-  void flags (int);
-
-  /// Get current signal flags.
-  int flags (void);
-
-  /// Set current signal mask.
-  void mask (sigset_t *);
-  void mask (ACE_Sig_Set &);
-
-  /// Get current signal mask.
-  sigset_t *mask (void);
-
-  /// Set current signal handler (pointer to function).
-  void handler (ACE_SignalHandler);
-
-  /// Get current signal handler (pointer to function).
-  ACE_SignalHandler handler (void);
-
-  /// Dump the state of an object.
-  void dump (void) const;
-
-  /// Declare the dynamic allocation hooks.
-  ACE_ALLOC_HOOK_DECLARE;
-
-private:
-  /// Controls signal behavior.
-  struct sigaction sa_;
-};
-
-/**
- * @class ACE_Sig_Guard
- *
- * @brief Hold signals in MASK for duration of a C++ statement block.
- * Note that a "0" for mask causes all signals to be held.
- */
-class ACE_Export ACE_Sig_Guard
-{
-public:
-  // = Initialization and termination methods.
-  /// This is kind of conditional Guard, needed when guard should be
-  /// activated only when a spcific condition met. When condition ==
-  /// true (default), Guard is activated
-  ACE_Sig_Guard (ACE_Sig_Set *mask = 0, bool condition = true);
-
-  /// Restore blocked signals.
-  ~ACE_Sig_Guard (void);
-
-  /// Dump the state of an object.
-  void dump (void) const;
-
-  /// Declare the dynamic allocation hooks.
-  ACE_ALLOC_HOOK_DECLARE;
-
-private:
-  /// Original signal mask.
-  ACE_Sig_Set omask_;
-
-  /// Guard Condition
-  bool condition_;
-};
-
-/**
- * @class ACE_Sig_Handler
- *
- * @brief This is the main dispatcher of signals for ACE.  It improves
- * the existing UNIX signal handling mechanism by allowing C++
- * objects to handle signals in a way that avoids the use of
- * global/static variables and functions.
- *
- * Using this class a program can register an <ACE_Event_Handler>
- * with the <ACE_Sig_Handler> in order to handle a designated
- * <signum>.  When a signal occurs that corresponds to this
- * <signum>, the <handle_signal> method of the registered
- * <ACE_Event_Handler> is invoked automatically.
- */
-class ACE_Export ACE_Sig_Handler
-{
-public:
-  /// Default ctor/dtor.
-  ACE_Sig_Handler (void);
-  virtual ~ACE_Sig_Handler (void);
-
-  // = Registration and removal methods.
-  /**
-   * Add a new <ACE_Event_Handler> and a new sigaction associated with
-   * <signum>.  Passes back the existing <ACE_Event_Handler> and its
-   * sigaction if pointers are non-zero.  Returns -1 on failure and >=
-   * 0 on success.
-   */
-  virtual int register_handler (int signum,
-                                ACE_Event_Handler *new_sh,
-                                ACE_Sig_Action *new_disp = 0,
-                                ACE_Event_Handler **old_sh = 0,
-                                ACE_Sig_Action *old_disp = 0);
-
-  /**
-   * Remove the <ACE_Event_Handler> currently associated with
-   * <signum>.  <sigkey> is ignored in this implementation since there
-   * is only one instance of a signal handler.  Install the new
-   * disposition (if given) and return the previous disposition (if
-   * desired by the caller).  Returns 0 on success and -1 if <signum>
-   * is invalid.
-   */
-  virtual int remove_handler (int signum,
-                              ACE_Sig_Action *new_disp = 0,
-                              ACE_Sig_Action *old_disp = 0,
-                              int sigkey = -1);
-
-  // Set/get signal status.
-  /// True if there is a pending signal.
-  static int sig_pending (void);
-
-  /// Reset the value of <sig_pending_> so that no signal is pending.
-  static void sig_pending (int);
-
-  // = Set/get the handler associated with a particular signal.
-
-  /// Return the <ACE_Sig_Handler> associated with <signum>.
-  virtual ACE_Event_Handler *handler (int signum);
-
-  /// Set a new <ACE_Event_Handler> that is associated with <signum>.
-  /// Return the existing handler.
-  virtual ACE_Event_Handler *handler (int signum,
-                                      ACE_Event_Handler *);
-
-  /**
-   * Callback routine registered with sigaction(2) that dispatches the
-   * <handle_signal> method of the appropriate pre-registered
-   * ACE_Event_Handler.
-   */
-  static void dispatch (int, siginfo_t *,
-                        ucontext_t *);
-
-  /// Dump the state of an object.
-  void dump (void) const;
-
-  /// Declare the dynamic allocation hooks.
-  ACE_ALLOC_HOOK_DECLARE;
-
-protected:
-  // = These methods and data members are shared by derived classes.
-
-  /**
-   * Set a new <ACE_Event_Handler> that is associated with <signum>.
-   * Return the existing handler.  Does not acquire any locks so that
-   * it can be called from a signal handler, such as <dispatch>.
-   */
-  static ACE_Event_Handler *handler_i (int signum,
-                                       ACE_Event_Handler *);
-
-  /**
-   * This implementation method is called by <register_handler> and
-   * <dispatch>.  It doesn't do any locking so that it can be called
-   * within a signal handler, such as <dispatch>.  It adds a new
-   * <ACE_Event_Handler> and a new sigaction associated with <signum>.
-   * Passes back the existing <ACE_Event_Handler> and its sigaction if
-   * pointers are non-zero.  Returns -1 on failure and >= 0 on
-   * success.
-   */
-  static int register_handler_i (int signum,
-                                 ACE_Event_Handler *new_sh,
-                                 ACE_Sig_Action *new_disp = 0,
-                                 ACE_Event_Handler **old_sh = 0,
-                                 ACE_Sig_Action *old_disp = 0);
-
-  /// Check whether the SIGNUM is within the legal range of signals.
-  static int in_range (int signum);
-
-  /// Keeps track of whether a signal is pending.
-  static sig_atomic_t sig_pending_;
-
-private:
-  /// Array used to store one user-defined Event_Handler for every
-  /// signal.
-  static ACE_Event_Handler *signal_handlers_[ACE_NSIG];
-};
-
-/**
- * @class ACE_Sig_Adapter
- *
- * @brief Provide an adapter that transforms various types of signal
- * handlers into the scheme used by the <ACE_Reactor>.
- */
-class ACE_Export ACE_Sig_Adapter : public ACE_Event_Handler
-{
-public:
-  ACE_Sig_Adapter (ACE_Sig_Action &, int sigkey);
-  ACE_Sig_Adapter (ACE_Event_Handler *, int sigkey);
-  ACE_Sig_Adapter (ACE_Sig_Handler_Ex, int sigkey = 0);
-  ~ACE_Sig_Adapter (void);
-
-  /// Returns this signal key that's used to remove this from the
-  /// <ACE_Reactor>'s internal table.
-  int sigkey (void);
-
-  /// Called by the <Reactor> to dispatch the signal handler.
-  virtual int handle_signal (int, siginfo_t *, ucontext_t *);
-
-private:
-  /// Key for this signal handler (used to remove it).
-  int sigkey_;
-
-  /// Is this an external handler or an ACE handler?
-  enum
-  {
-    /// We're just wrapping an ACE_Event_Handler.
-    ACE_HANDLER,
-    /// An ACE_Sig_Action.
-    SIG_ACTION,
-    /// A normal C function.
-    C_FUNCTION
-  } type_;
-
-  // = This should be a union, but C++ won't allow that because the
-  // <ACE_Sig_Action> has a constructor.
-  /// This is an external handler (ugh).
-  ACE_Sig_Action sa_;
-
-  /// This is an ACE hander.
-  ACE_Event_Handler *eh_;
-
-  /// This is a normal C function.
-  ACE_Sig_Handler_Ex sig_func_;
-};
-
-#if !defined (ACE_HAS_BROKEN_HPUX_TEMPLATES)
-/**
- * @class ACE_Sig_Handlers
- *
- * @brief This is an alternative signal handling dispatcher for ACE.  It
- * allows a list of signal handlers to be registered for each
- * signal.  It also makes SA_RESTART the default mode.
- *
- * Using this class a program can register one or more
- * ACE_Event_Handler with the ACE_Sig_Handler in order to
- * handle a designated <signum>.  When a signal occurs that
- * corresponds to this <signum>, the <handle_signal> methods of
- * all the registered ACE_Event_Handlers are invoked
- * automatically.
- */
-class ACE_Export ACE_Sig_Handlers : public ACE_Sig_Handler
-{
-public:
-  // = Registration and removal methods.
-  /**
-   * Add a new ACE_Event_Handler and a new sigaction associated with
-   * <signum>.  Passes back the existing ACE_Event_Handler and its
-   * sigaction if pointers are non-zero.  Returns -1 on failure and
-   * a <sigkey> that is >= 0 on success.
-   */
-  virtual int register_handler (int signum,
-                                ACE_Event_Handler *new_sh,
-                                ACE_Sig_Action *new_disp = 0,
-                                ACE_Event_Handler **old_sh = 0,
-                                ACE_Sig_Action *old_disp = 0);
-
-  /**
-   * Remove an <ACE_Event_Handler> currently associated with <signum>.
-   * We remove the handler if (1) its <sigkey> matches the <sigkey>
-   * passed as a parameter or (2) if we've been told to remove all the
-   * handlers, i.e., <sigkey> == -1.  If a new disposition is given it
-   * is installed and the previous disposition is returned (if desired
-   * by the caller).  Returns 0 on success and -1 if <signum> is
-   * invalid.
-   */
-  virtual int remove_handler (int signum,
-                              ACE_Sig_Action *new_disp = 0,
-                              ACE_Sig_Action *old_disp = 0,
-                              int sigkey = -1);
-
-  // = Set/get the handler associated with a particular signal.
-
-  /// Return the head of the list of <ACE_Sig_Handler>s associated with
-  /// SIGNUM.
-  virtual ACE_Event_Handler *handler (int signum);
-
-  /**
-   * Set a new <ACE_Event_Handler> that is associated with SIGNUM at
-   * the head of the list of signals.  Return the existing handler
-   * that was at the head.
-   */
-  virtual ACE_Event_Handler *handler (int signum,
-                                      ACE_Event_Handler *);
-
-  /**
-   * Callback routine registered with sigaction(2) that dispatches the
-   * <handle_signal> method of all the pre-registered
-   * ACE_Event_Handlers for <signum>
-   */
-  static void dispatch (int signum, siginfo_t *, ucontext_t *);
-
-  /// Dump the state of an object.
-  void dump (void) const;
-
-  /// Declare the dynamic allocation hooks.
-  ACE_ALLOC_HOOK_DECLARE;
-
-private:
-  /**
-   * Keeps track of the id that uniquely identifies each registered
-   * signal handler.  This id can be used to cancel a timer via the
-   * <remove_handler> method.
-   */
-  static int sigkey_;
-
-  /// If this is > 0 then a 3rd party library has registered a
-  /// handler...
-  static int third_party_sig_handler_;
-};
-#endif /* ACE_HAS_BROKEN_HPUX_TEMPLATES */
-
-#if defined (ACE_HAS_SIG_C_FUNC)
-extern "C" void
-ace_sig_handler_dispatch (int signum, siginfo_t *info, ucontext_t *context);
-
-#if !defined (ACE_HAS_BROKEN_HPUX_TEMPLATES)
-extern "C" void
-ace_sig_handlers_dispatch (int signum, siginfo_t *info, ucontext_t *context);
-#endif /* ACE_HAS_BROKEN_HPUX_TEMPLATES */
-
-#endif /* ACE_HAS_SIG_C_FUNC */
-
-#if defined (__ACE_INLINE__)
-#include "ace/Signal.inl"
-#endif /* __ACE_INLINE__ */
-
-#include /**/ "ace/post.h"
-#endif /* ACE_SIGNAL_HANDLER_H */